page_title: Staple (fastener)
section_title: Staples in business
hierarchical_section_title: Staple (fastener) / Paper staples / Staples in business
caption_attribution_description: English: Booklet stapler with a rotatable top. Anvil bends leg outward at 45°, 135°, 225°, 315°, and inward at 0°, 90°, 180°, 360° rotation.
context_page_description: A staple is a type of two-pronged fastener, usually metal, used for joining or binding materials together. Large staples might be used with a hammer or staple gun for masonry, roofing, corrugated boxes and other heavy-duty uses. Smaller staples are used with a stapler to attach pieces of paper together; such staples are a more permanent and durable fastener for paper documents than the paper clip.
context_section_description: Staples are commonly considered a neat and efficient method of binding paperwork because they are relatively unobtrusive, low cost, and readily available.
  Large staples found on corrugated cardboard boxes have folded legs. They are applied from the outside and do not use an anvil; jaw-like appendages push through the cardboard alongside the legs and bend them from the outside.
  Saddle stitch staplers, also known as "booklet staplers," feature a longer reach from the pivot point than general-purpose staplers and bind pages into a booklet or "signature". Some can use "loop-staples" that enable the user to integrate folded matter into ring books and binders.
  Outward clinch staples are blind staples. There is no anvil, and they are applied with a staple gun. When applied, each staple leg forms a curve bending outwards.  This is in part caused by the shape of the crown, which is like an inverted "V", and not flat as in ordinary staples. Also, the legs are sharpened with an inside bevel point, causing them to tend to go outwards when forced into the base material. These staples are used for upholstery work, especially in vehicles, where they are used for fastening fabric or leather to a foam base. These staples are also used when installing fiberglass insulation batts around air ducts- the FSK paper sheathing is overlapped, and the two layers are stapled together before sealing with tape.
caption: A stapler with a body that can be rotated for booklets
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